The all new 2021 ButlerBuilt MC2p Composite Leg Support weighs 1.35 lbs. It is made of the same energy absorbing composite material that is used for leg supports in the NASCAR Cup Series. The universal leg support requires no upholstery or foam. Leg Supports are sold individually. MC2p are half the weight of the traditional ButlerBuilt leg supports. Dimensions: 19.5" length (longest point); 17" height (tallest point).